Java Data Structures courses can help you learn about arrays, linked lists, stacks, queues, and hash tables. You can build skills in algorithm efficiency, data manipulation, and implementing search and sort techniques. Many courses introduce tools like Eclipse or IntelliJ IDEA, which support coding practices and debugging, allowing you to apply your knowledge in real coding environments. You'll also explore concepts such as recursion and tree structures, enhancing your ability to tackle complex programming challenges.

Skills you'll gain: Job Control Language (JCL), Mainframe Computing, z/OS, Virtualization, Unix, IBM DB2, IBM Cloud, Data Management, Virtual Machines, Data Storage, Operating System Administration, Infrastructure Architecture, System Programming, Operating Systems, Unix Commands, File Systems, Linux, Computer Architecture, Control Panels, Command-Line Interface
Intermediate · Professional Certificate · 1 - 3 Months

Coursera
Skills you'll gain: Strategic Sourcing, Supplier Management, Procurement, Vendor Management, Project Scoping, Market Analysis, Supply Chain, Market Intelligence, Market Research, Business Research, Data Collection, Project Documentation, Business Writing, Organizational Skills
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Cybersecurity, Cyber Attacks, Cryptography, Information Systems Security, Cyber Security Policies, Encryption, Data Security, Network Security, Security Controls, Network Protocols, Threat Modeling, Security Strategy, Personally Identifiable Information, Data Storage, Zero Trust Network Access, Governance Risk Management and Compliance
Mixed · Course · 1 - 3 Months

Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Front-End Web Development, HTML and CSS, Bootstrap (Front-End Framework), Web Design, User Interface (UI), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), User Interface and User Experience (UI/UX) Design, Event-Driven Programming, Web Applications, UI Components, Web Development, Interactive Design, User Interface (UI) Design, Javascript, jQuery, User Experience Design, Web Design and Development, Animations
Intermediate · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: HR Tech, Responsible AI, Human Resources, People Analytics, Data Ethics, Applicant Tracking Systems, AI Enablement, Employee Performance Management, Recruitment, Talent Recruitment, Workforce Development, Artificial Intelligence, Employee Engagement, Diversity and Inclusion, Generative AI, Generative AI Agents
Beginner · Course · 1 - 3 Months

Skills you'll gain: Accounts Payable and Receivable, Accounting and Finance Software, Financial Data, Make.com, Financial Forecasting, Financial Management, Credit Risk, Generative AI, Financial Controls, Financial Analysis, Finance, Billing & Invoicing, Financial Auditing, Artificial Intelligence, ChatGPT, Accounting, Tax Compliance, Tax Management, Automation, No-Code Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bootstrap (Front-End Framework), Web Applications, Web Development Tools, Microsoft Azure, Authentications, Authorization (Computing)
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Keyword Research, Advertising Campaigns, Pay Per Click Advertising, Performance marketing, Search Engine Marketing, Marketing, Advertising, Digital Advertising, Campaign Management, Bidding, Target Audience, Web Analytics, Target Market, Content Performance Analysis, Account Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, OpenAI API, Context Management, User Interface (UI), Vector Databases, Debugging
Advanced · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Machine Learning Methods, Unsupervised Learning, Supervised Learning, Machine Learning Algorithms, Machine Learning, Intellectual Property, Responsible AI, Legal Risk, Reinforcement Learning, AI Enablement, Artificial Intelligence, Personally Identifiable Information, General Data Protection Regulation (GDPR), AI Security, Dimensionality Reduction, Legal Technology, Taxonomy, Cloud Platforms, Social Impact, Social Studies
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Market Opportunities, AI Enablement, AI Product Strategy, Responsible AI, Artificial Intelligence, Data Ethics, Applied Machine Learning, Artificial Neural Networks, Data Science, Deep Learning, Machine Learning
Beginner · Course · 1 - 4 Weeks